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a) cos3x<br />
b) 2sen(3x+π)<br />
c) sen(x)+x<br />
d) tg(|x|)<br />
a ≤ π<br />
d) arcsen(a) sabendo que tg(a) = b/c e 0 ≤<br />
a ≤ π/2<br />
e) cotg(a) sabendo que sen(a) = b/c e 0 ≤<br />
a ≤ π/2<br />
17 — Calcule<br />
a) sen(a) sabendo que cos(a) = b e 0 ≤ a ≤<br />
π/2<br />
b) sen(a) sabendoque tg(a) = b/c e 0 ≤ a ≤<br />
π/2<br />
c) sen(a) sabendo que tg(a) = b/c e pi/2 ≤<br />
18 — Calcule<br />
a) arcsen(−√<br />
3<br />
2 )<br />
b) arctan(1)−arctan(−1)<br />
c) arcsen(cos(2x)) 0 ≤ x ≤ π/2<br />
d) arcsen(cos(2x)) π/2 ≤ x ≤ 3π/2<br />
3